Oh Noooo! Oil in the cylinder?

Hozer 88GTConv · 04-13-2002, 02:03 PM

Just looked at my #5 cylinder and saw a thin film of oil all down the cylinder head and then pulled the plug and the threads are covered in oil.

Going to get a vacuum gauge now. The engine only has about 5000 miles on it. Did I blow the head gasket already or is it a ring?

89 ATI · 04-13-2002, 03:53 PM

Sounds more like a valve cover gasket to me. There shouldn't be any oil coming out of a head gasket.

Hozer 88GTConv · 04-13-2002, 04:12 PM

the oil is definitely emanating from the plug hole/cylinder.
The area above the spark plug to the valve cover is spotless.
The sparkplug was loose in the seat though, less than hand tight.
and it almost looks as if it was shooting out from the plug if that's possible because the plug boot has a spray pattern on it.

Doctor DeBo · 04-14-2002, 01:54 PM

Like 89 ATI said it could be from the valve cover gasket,or should I say-hope its from there.If its coming out of the cylinder you ve got ring problems in that cylinder.I would think the plug would be oil fouled if thats the trouble.Good luck dude.

04-13-2002, 02:03 PM	#1
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	Oh Noooo! Oil in the cylinder? Just looked at my #5 cylinder and saw a thin film of oil all down the cylinder head and then pulled the plug and the threads are covered in oil. Going to get a vacuum gauge now. The engine only has about 5000 miles on it. Did I blow the head gasket already or is it a ring? __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy

04-13-2002, 03:53 PM	#2
89 ATI Registered Member Join Date: Sep 2000 Location: Lafayette, Indiana Posts: 120	Sounds more like a valve cover gasket to me. There shouldn't be any oil coming out of a head gasket. __________________ 89 GT convertible, Kenny Brown level 5, Edelbrock performer, AFR 165's, Comp cams XE270HR, C&L 76, 24# inj, Crane 1.7's, 70mm BBK throttle body 298.2 hp 328.2 tq Mustang dyno "Our lady of blessed acceleration don't fail me now" Elwood Blues

04-13-2002, 04:12 PM	#3
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	Freakin weirdest thing... the oil is definitely emanating from the plug hole/cylinder. The area above the spark plug to the valve cover is spotless. The sparkplug was loose in the seat though, less than hand tight. and it almost looks as if it was shooting out from the plug if that's possible because the plug boot has a spray pattern on it. __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy

04-14-2002, 01:54 PM	#4
Doctor DeBo Registered Member Join Date: Feb 2000 Location: Newnan, GA, UnitedStates Posts: 83	Like 89 ATI said it could be from the valve cover gasket,or should I say-hope its from there.If its coming out of the cylinder you ve got ring problems in that cylinder.I would think the plug would be oil fouled if thats the trouble.Good luck dude. __________________ 92LX 5.0 Hatch,4.10 gears Auburn Pro,Mosser axels,alum drive shaft AOD hi ratio gear set,3200 stall TCI conv,Bassani long tube headers/cats,2 chamber flow masters,2.5inch exhaust,331 stroker,alum GT40 heads ported,Omega 1.7 roller rockers,JE forged pistons,Eagle rods,E cam,GT40 upper/lower intake,70mm mass,73mm Pro M bullet,MSD ignition,Cartech fuel sys w/external Aeromotive fuel pump,30lb injectors,Vortech S trim,Tubular front end,D&D coil overs up front

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